Trailering App in the New 2019 Sierra

At the core of Sierra’s ProGrade Trailering functionality is the new Trailering App. Integrated with and accessible through Sierra’s available infotainment system, the Trailering App offers a variety of unique features designed explicitly to improve the trailering experience. Trailering App functionality includes:

Pre-Departure Checklists: Sierra’s infotainment screen can provide a step-by-step illustrated guide of the steps required to connect a trailer to the truck. For those new to trailering, these steps can be expanded to show clear, illustrated examples of what connections need to be made.

Trailer Light Test: There’s no need to find a helper to run through an external light test on your truck and trailer – just press a button on the screen, and the truck and trailer will run through a specific lighting sequence (i.e. apply brake lights, turn signals, etc.), making this a quick, one-person job.

Customizable trailer profiles: Once a trailer is connected, it can be saved as a stored profile within the app itself. These profiles can help keep track of trailer mileage, provide reminders of trailer maintenance intervals, and recall trailer brake controller gain settings, amongst other features.

Trailer Tire Pressure Monitoring: After a set of wireless tire pressure sensors are installed on the trailer’s wheels, they can then relay tire pressure and tire temperature information to the app screen, allowing the driver to easily keep tabs on possible tire issues from the driver’s seat.

Theft Alert: To discourage trailer theft, Theft Alert extends Sierra’s theft alert capabilities to the trailer. If a trailer is disconnected while the Sierra is parked and locked, the truck’s lights and horn are triggered.

Mobile App Access: The Trailer Light test and Pre-Departure Checklists will be available for reference within the myGMC smartphone application, allowing quick reference, even when working to connect the trailer at the hitch.

Safer easier trailering with 2019 Sierra

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